5.3.4.147. Function video_reader_get_frame

• Defined in File video_io.h

5.3.4.147.1. Function Documentation

int video_reader_get_frame(video_reader_t *video, uint8_t **img_gray8, uint8_t **img_rgb24)

Write grayscale image in a given 2D array.

Parameters

• video – A pointer of previously allocated inner video reader data.

• img_gray8 – Output grayscale image (2D array \([i1 - i0 + 1][j1 - j0 + 1]\)), can be NULL if rgb mode.

• img_rgb24 – Output color image (2D array \([i1 - i0 + 1][j1 - j0 + 1]\)), can be NULL if grayscale mode.

Returns

The frame id (positive integer) or -1 if there is no more frame to read.